convertĭbĭlis

I. changeable (post-class.): propositiones, App. Dogm. Plat. 3, p. 33, 1 and 2 (al. conversibilis): deus convertibilis et demutabilis, Prud. Apoth. 344.—Hence, con-vertĭbĭlĭter, adv., changeably (late Lat.), Aug. Music. 5, 13.